Kaspersky typically follows a "-1 / +3" rule . This means a license for the 2014 version could theoretically activate versions from 2013 up to 2017.
A Kaspersky Antivirus activation code is a unique 20-character code that unlocks the full features of the software, allowing you to enjoy complete protection against online threats. The activation code is required to register your copy of Kaspersky Antivirus 2014 and receive updates, new features, and technical support. kaspersky antivirus activation code 2014
— The product reached end-of-life years ago. Using it would pose serious security risks, as it doesn't receive virus definition updates or security patches. Kaspersky typically follows a "-1 / +3" rule
If you have a legitimate, unexpired code and are installing on a legacy machine: kaspersky antivirus activation code 2014